diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c index 13134954e24d..d392022dcb89 100644 --- a/arch/x86/kvm/mmu/mmu.c +++ b/arch/x86/kvm/mmu/mmu.c @@ -4245,6 +4245,7 @@ static int direct_page_fault(struct kvm_vcpu *vcpu, struct kvm_page_fault *fault bool is_tdp_mmu_fault = is_tdp_mmu(vcpu->arch.mmu); unsigned long mmu_seq; + kvm_pfn_t orig_pfn; int r; fault->gfn = fault->addr >> PAGE_SHIFT; @@ -4272,6 +4273,8 @@ static int direct_page_fault(struct kvm_vcpu *vcpu, struct kvm_page_fault *fault if (r != RET_PF_CONTINUE) return r; + orig_pfn = fault->pfn; + r = RET_PF_RETRY; if (is_tdp_mmu_fault) @@ -4296,7 +4299,7 @@ out_unlock: read_unlock(&vcpu->kvm->mmu_lock); else write_unlock(&vcpu->kvm->mmu_lock); - kvm_release_pfn_clean(fault->pfn); + kvm_release_pfn_clean(orig_pfn); return r; } diff --git a/arch/x86/kvm/mmu/paging_tmpl.h b/arch/x86/kvm/mmu/paging_tmpl.h index 1f4f5e703f13..685560a45bf6 100644 --- a/arch/x86/kvm/mmu/paging_tmpl.h +++ b/arch/x86/kvm/mmu/paging_tmpl.h @@ -790,6 +790,7 @@ FNAME(is_self_change_mapping)(struct kvm_vcpu *vcpu, static int FNAME(page_fault)(struct kvm_vcpu *vcpu, struct kvm_page_fault *fault) { struct guest_walker walker; + kvm_pfn_t orig_pfn; int r; unsigned long mmu_seq; bool is_self_change_mapping; @@ -868,6 +869,8 @@ static int FNAME(page_fault)(struct kvm_vcpu *vcpu, struct kvm_page_fault *fault walker.pte_access &= ~ACC_EXEC_MASK; } + orig_pfn = fault->pfn; + r = RET_PF_RETRY; write_lock(&vcpu->kvm->mmu_lock); @@ -881,7 +884,7 @@ static int FNAME(page_fault)(struct kvm_vcpu *vcpu, struct kvm_page_fault *fault out_unlock: write_unlock(&vcpu->kvm->mmu_lock); - kvm_release_pfn_clean(fault->pfn); + kvm_release_pfn_clean(orig_pfn); return r; }